TSV712IST Equivalent & Substitute Parts

Part Overview

The TSV712IST is a CMOS dual-channel rail-to-rail operational amplifier manufactured by STMicroelectronics in an 8-MiniSO surface mount package. This device is classified as a linear amplifier with low-power consumption characteristics, designed for general-purpose signal conditioning and amplification applications. The part is currently in active production status with 5099 units in stock.

Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical constraints of the application. Substitution becomes necessary due to component availability, supply chain considerations, or specific performance requirements that alternative manufacturers' devices can fulfill while maintaining compatibility with the 8-MSOP/8-TSSOP package footprint and rail-to-rail output specification.

Key Parameters

Parameter	TSV712IST Value	Unit	Substitution Relevance
Amplifier Type	CMOS	—	Core functional classification
Number of Circuits	2	Channels	Dual-channel requirement
Output Type	Rail-to-Rail	—	Output swing capability
Slew Rate	0.06	V/µs	Signal transient response
Gain Bandwidth Product	150	kHz	Frequency response characteristic
Current - Input Bias	1	pA	Input impedance quality
Voltage - Input Offset	200	µV	DC accuracy specification
Current - Supply	10	µA (x2 Channels)	Power consumption per channel
Current - Output / Channel	56	mA	Output drive capability
Voltage - Supply Span (Min)	1.5	V	Minimum operating voltage
Voltage - Supply Span (Max)	5.5	V	Maximum operating voltage
Operating Temperature	-40 to 125	°C	Thermal operating range
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	—	Physical footprint compatibility
Mounting Type	Surface Mount	—	PCB assembly method
RoHS Status	ROHS3 Compliant	—	Environmental compliance
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—	Storage and handling requirements

Substitute Part Grouping Explanation

Substitution logic for the TSV712IST is based on the following mandatory criteria:

Primary Compatibility Requirements:

Dual-channel configuration (2 circuits minimum)
Rail-to-rail output capability
8-pin surface mount package (8-MSOP or 8-TSSOP footprint with 0.118" width, 3.00mm)
Operating temperature range of -40°C to 125°C
Supply voltage range spanning 1.5V to 5.5V minimum
ROHS3 compliance and MSL rating of 1 or 2

Secondary Performance Parameters:

Slew rate of 0.06V/µs or greater
Gain bandwidth product of 150 kHz or greater
Input bias current of 1 pA or lower
Input offset voltage of 500 µV or lower
Output current per channel of 15 mA or greater

Substitute parts are grouped into two categories based on amplifier type: CMOS amplifiers (matching the TSV712IST topology) and alternative amplifier types (General Purpose, Chopper/Zero-Drift) that meet all electrical and mechanical constraints. Parts with operating temperature ranges below -40°C or above 125°C, or with supply voltage minimums exceeding 1.5V, are included only when all other parameters align and the application permits the reduced thermal range.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (kHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (µA)	Output Current (mA)	Temp Range (°C)	Package	MSL
TSV712IST	STMicroelectronics	CMOS	0.06	150	1	200	10	56	-40 to 125	8-MiniSO	1
ADA4051-2ARMZ	Analog Devices Inc.	Chopper (Zero-Drift)	0.06	125	20	2	13	15	-40 to 125	8-MSOP	1
ADA4051-2ARMZ-R7	Analog Devices Inc.	Chopper (Zero-Drift)	0.06	125	20	2	13	15	-40 to 125	8-MSOP	1
AZV832MMTR-G1	Diodes Incorporated	CMOS	0.45	1000	1	500	70	185	-40 to 85	8-MSOP	3
ISL28213FUZ	Renesas Electronics Corporation	General Purpose	1	2000	3	500	90	22	-40 to 125	8-MSOP	2
ISL28214FUZ	Renesas Electronics Corporation	General Purpose	2.5	5000	3	500	300	31	-40 to 125	8-MSOP	2
LMP7732MM/NOPB	Texas Instruments	General Purpose	2.4	22000	14000	6	5000	49	-40 to 125	8-VSSOP	1
LMP7732MME/NOPB	Texas Instruments	General Purpose	2.4	22000	14000	6	5000	49	-40 to 125	8-VSSOP	1
LPV542DGKR	Texas Instruments	CMOS	0.0037	8	0.1	1000	0.48	36	-40 to 125	8-VSSOP	1
LPV542DGKT	Texas Instruments	CMOS	0.0037	8	0.1	1000	0.48	36	-40 to 125	8-VSSOP	1
LTC6256CMS8#PBF	Analog Devices Inc.	General Purpose	1.8	6500	5000	100	65	35	0 to 70	8-MSOP	1

Engineering Selection Recommendations

CMOS Amplifier Substitutes (Matching Topology):

The AZV832MMTR-G1 from Diodes Incorporated is a CMOS dual-channel amplifier with identical input bias current (1 pA) and superior slew rate (0.45V/µs) and gain bandwidth product (1 MHz). This part is ROHS3 compliant and operates across the -40°C to 85°C range. The MSL rating of 3 requires controlled storage conditions (168 hours maximum). The AZV832MMTR-G1 is suitable for applications requiring higher bandwidth performance than the TSV712IST baseline.

The LPV542DGKR and LPV542DGKT from Texas Instruments are ultra-low-power CMOS amplifiers with exceptionally low supply current (480 nA per channel pair) and input bias current (0.1 pA). These parts are ROHS3 compliant with MSL 1 rating. The trade-off is significantly reduced slew rate (0.0037V/µs) and gain bandwidth product (8 kHz), making them suitable only for DC and very low-frequency applications. Both packaging options (Cut Tape and Tape & Reel) are available.

Alternative Amplifier Type Substitutes:

The ADA4051-2ARMZ and ADA4051-2ARMZ-R7 from Analog Devices Inc. are chopper (zero-drift) amplifiers with exceptional input offset voltage (2 µV versus 200 µV for TSV712IST). Both variants maintain the -40°C to 125°C operating range and ROHS3 compliance. The ADA4051-2ARMZ-R7 offers significantly higher inventory (37,072 units) compared to the standard variant (3,320 units). These parts are suitable for precision DC measurement applications where offset voltage minimization is critical.

The ISL28213FUZ and ISL28214FUZ from Renesas Electronics Corporation are general-purpose amplifiers with higher bandwidth (2 MHz and 5 MHz respectively) and slew rates (1V/µs and 2.5V/µs). Both maintain -40°C to 125°C operation and ROHS3 compliance with MSL 2 rating. The ISL28214FUZ offers superior frequency response at the cost of increased supply current (300 µA per channel pair).

The LMP7732MM/NOPB and LMP7732MME/NOPB from Texas Instruments are general-purpose amplifiers with very high gain bandwidth product (22 MHz) and slew rate (2.4V/µs). These parts are ROHS3 compliant with MSL 1 rating and operate across -40°C to 125°C. However, the operating temperature range for LTC6256CMS8#PBF is limited to 0°C to 70°C, restricting its use to commercial temperature applications only. The LTC6256CMS8#PBF is currently in Last Time Buy status, indicating end-of-life production.

Compliance and Availability:

All substitute parts listed are ROHS3 compliant and REACH unaffected. Moisture sensitivity levels range from 1 (unlimited shelf life) to 3 (168-hour maximum storage). Parts with MSL 1 or 2 ratings are preferred for standard manufacturing environments. The ADA4051-2ARMZ-R7 offers the highest inventory availability (37,072 units) among substitutes, followed by LPV542DGKT (20,600 units) and AZV832MMTR-G1 (27,747 units).

Frequently Asked Questions (FAQ)

Q: Can I substitute the TSV712IST with any of these parts without PCB redesign?

A: Mechanical compatibility depends on package type. The TSV712IST uses an 8-MiniSO package. Direct pin-compatible substitutes in 8-MSOP or 8-TSSOP packages (ADA4051-2ARMZ, ADA4051-2ARMZ-R7, AZV832MMTR-G1, ISL28213FUZ, ISL28214FUZ, LTC6256CMS8#PBF) share the same 0.118" width and 3.00mm pitch. Parts in 8-VSSOP packages (LMP7732MM/NOPB, LMP7732MME/NOPB, LPV542DGKR, LPV542DGKT) have identical pin pitch but may require footprint verification. PCB layout review is recommended for all substitutions.

Q: What is the difference between the ADA4051-2ARMZ and ADA4051-2ARMZ-R7?

A: Both parts are electrically identical chopper (zero-drift) amplifiers with the same electrical specifications. The primary difference is packaging: ADA4051-2ARMZ is supplied in Tube packaging, while ADA4051-2ARMZ-R7 is supplied in Cut Tape (CT) & Digi-Reel® format. The ADA4051-2ARMZ-R7 has significantly higher inventory availability (37,072 units versus 3,320 units). Selection depends on assembly line requirements and component handling preferences.

Q: Which substitute offers the lowest power consumption?

A: The LPV542DGKR and LPV542DGKT offer the lowest supply current at 480 nanoamps per channel pair, compared to 10 microamps for the TSV712IST. However, these parts are designed for ultra-low-frequency and DC applications only, with a gain bandwidth product of only 8 kHz. For general-purpose applications requiring low power with reasonable bandwidth, the ADA4051-2ARMZ series (13 µA per channel pair) is more appropriate.

Q: Are there any parts with restricted operating temperature ranges?

A: Yes. The AZV832MMTR-G1 operates from -40°C to 85°C (versus -40°C to 125°C for TSV712IST), and the LTC6256CMS8#PBF operates from 0°C to 70°C only. The LTC6256CMS8#PBF is also in Last Time Buy status. These parts are unsuitable for applications requiring the full -40°C to 125°C industrial temperature range.

Q: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: MSL ratings define maximum storage time at specified humidity and temperature conditions before component baking is required. MSL 1 (unlimited) parts like TSV712IST, ADA4051-2ARMZ variants, LMP7732 series, and LPV542 series have no shelf-life restrictions. MSL 2 parts (ISL28213FUZ, ISL28214FUZ) allow 1 year of storage. MSL 3 parts (AZV832MMTR-G1) allow only 168 hours (7 days) of storage at 30°C/60% RH before baking. MSL 1 and 2 parts are preferred for standard manufacturing environments.

Q: Which substitute provides the best input offset voltage performance?

A: The ADA4051-2ARMZ and ADA4051-2ARMZ-R7 offer input offset voltage of 2 µV, compared to 200 µV for the TSV712IST. This 100-fold improvement is achieved through chopper (zero-drift) amplifier architecture. These parts are ideal for precision DC measurement and sensor signal conditioning applications where offset voltage drift must be minimized.

Q: Can I use the LMP7732 series as a direct replacement for the TSV712IST?

A: The LMP7732MM/NOPB and LMP7732MME/NOPB are pin-compatible in terms of footprint (8-pin surface mount, 0.118" width). However, they differ significantly in performance: the LMP7732 series has much higher input bias current (14 nanoamps versus 1 picoamp), higher supply current (5 milliamps per channel pair versus 10 microamps), and higher input offset voltage (6 microvolts versus 200 microvolts). These differences make the LMP7732 unsuitable for low-power, high-impedance input applications. The LMP7732 is better suited for high-speed, high-current output applications.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) & Digi-Reel® packaging supplies components on continuous tape that is cut to length, suitable for small-quantity orders and manual assembly. Tape & Reel (TR) packaging supplies full reels of components on continuous tape, optimized for high-volume automated assembly. Both formats use identical component specifications. Selection depends on production volume and assembly equipment capabilities.

Q: Is the LTC6256CMS8#PBF still available for new designs?

A: The LTC6256CMS8#PBF is in Last Time Buy status, indicating that production is ending and existing inventory will be depleted. This part should not be selected for new designs. The 0°C to 70°C operating temperature range also restricts its use to commercial applications only, excluding industrial and automotive temperature ranges.

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